[PATCH] D13442: [AArch64] Fold vector fmul/fdiv by pow2 into floating-point/fixed-point conversions.

Chad Rosier via llvm-commits llvm-commits at lists.llvm.org
Tue Oct 6 09:07:10 PDT 2015


mcrosier retitled this revision from " [AArch64] Fold vector fmul by pow2 into floating-point to fixed-point conversion." to " [AArch64] Fold vector fmul/fdiv by pow2 into floating-point/fixed-point conversions.".
mcrosier updated the summary for this revision.
mcrosier removed rL LLVM as the repository for this revision.
mcrosier updated this revision to Diff 36631.
mcrosier added a comment.

Updated the helper function, isConstVecPow2, per Tim's comments.

Added support for folding sitofp/uitofp followed by fdiv by power of two.


http://reviews.llvm.org/D13442

Files:
  lib/Target/AArch64/AArch64ISelLowering.cpp
  test/CodeGen/AArch64/fcvt_combine.ll
  test/CodeGen/AArch64/fdiv_combine.ll

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